PRYSMIAN S.P.A. Patent applications |
Patent application number | Title | Published |
20160116520 | PARTIAL DISCHARGE SIGNAL PROCESSING METHOD AND APPARATUS EMPLOYING NEURAL NETWORK - A partial discharge signals processing method includes: setting a first discrimination criterion among the following criteria: discharge signals acquisition, discharge signals noise filtering, and discharge signals classification; providing a plurality of pulse waveforms associated with detected partial discharge waveform signals; defining at least a first reference pulse waveform in accordance with the first criterion; performing a first training of a neural network module based on the at least a first reference pulse waveform to produce a similarity index adapted to selectively assume a first value and a second value representative of a similarity/non similarity of an input pulse waveform with the at least a first reference pulse waveform, respectively; comparing the plurality of pulse waveforms with the at least a first reference pulse waveform by means of the neural network module to obtain first similarity index values; and memorizing/rejecting each compared pulse waveform on the basis of the obtained first similarity index values and on the second discrimination criterion. | 04-28-2016 |
20150226928 | FLAME-RETARDANT OPTICAL CABLE FOR AIR-BLOWN INSTALLATION - An optical cable has a cable core including at least one tube loosely accommodating optical fibers, the at least one tube being accommodated within a jacket embedding at least two strength members, the cable core and the jacket comprising combustible material. A ratio of core combustible material/jacket combustible material is lower than 60 vol %. The jacket is made of a composition having hardness of at least 60 Shore D and a LOI higher than 35%. | 08-13-2015 |
20150207303 | SYSTEM AND METHOD FOR COOLING A POWER TRANSMISSION SYSTEM - A cooling system for cooling a power transmission system that includes a cable configured to carry a current corresponding to a transported electric power may include: a cooling device configured to remove heat from the power transmission system; a power supply system configured to extract a power fraction from the cable and configured to supply the cooling device with the power fraction; and a control unit configured to control an amount of the extracted power fraction in response to a parameter of the electric power. When the parameter is higher than a threshold, the extracted power fraction is equal to a first value that depends on the electric power carried in the cable through a first function. When the parameter is lower than the threshold, the extracted power fraction is equal to a second value that depends on the electric power carried in the cable through a second function. | 07-23-2015 |
20150129274 | BY-PASS SYSTEM FOR OVERHEAD POWER LINES - A by-pass system for overhead power lines may include: a housing; a bearing frame in the housing; an outdoor termination linked to the bearing frame; and/or an electrical cable electrically connected to the outdoor termination. The bearing frame may be configured to move between a stand-by position of the outdoor termination and an operating position of the outdoor termination. A by-pass system for overhead power lines may include: a housing; a bearing frame connected to the housing; an outdoor termination connected to the bearing frame; and/or an electrical cable electrically connected to the outdoor termination. The bearing frame may be configured to move between a stand-by position of the outdoor termination and an operating position of the outdoor termination. | 05-14-2015 |
20150009005 | APPARATUS AND METHOD FOR GENERATING ELECTRIC ENERGY IN AN ELECTRIC POWER TRANSMISSION SYSTEM - Apparatus and method for generating electric energy in an electric power transmission system includes an AC cable including a core, wherein a portion of the core is partially surrounded by an apparatus including a ferromagnetic body and an electrically conducting winding. The ferromagnetic body extends along a longitudinal axis and has, in a cross section taken along said longitudinal axis, a shape defined by an arc. The electrically conducting winding is wound around the ferromagnetic body to form turns in planes substantially perpendicular to the arc. | 01-08-2015 |
20140321850 | MODULAR SYSTEM AND METHODS FOR CONNECTING AN EXTERNAL COMMUNICATION NETWORK TO A USER NETWORK OF A BUILDING - A modular system for the connection of an external communication network to a user network of a building includes: a user module including: a passage opening of a connection cable of the user network including optical fibres associated with respective users and adapters associated with respective optical fibres of the connection cable of the user network, and an operator module including: an inlet opening of at least one connection cable to the external communication network including optical fibres and an outlet opening of fibre optic connection elements connected to the external communication network and provided with a connector at a terminal end thereof. The user module and the operator module are structurally independent from each other and the external communication network is operatively associated with the user network by means of a connection of the connectors of the fibre optic connection elements with respective selected adapters of the user module. | 10-30-2014 |
20140182878 | TERMINATION FOR ELECTRICAL CABLES AND METHOD FOR MANUFACTURING SUCH A TERMINATION - A termination for electrical cables may include: an outer insulation tubular body having a longitudinal axis; a conductive rod within the body; an elastomeric sleeve within the body and extending about an end portion of the rod; a connecting device within the sleeve, wherein the device is mechanically and electrically connected to the rod and is configured to mechanically and electrically connect to an electrical cable; a conductive tubular element within the body, configured to electrically connect to ground; a semi-conductive element within the tubular element and partially extending inside the sleeve on an opposite side to the rod with respect to the device; and at least one elastic conductive element radially interposed between, and in contact with, the tubular element and semi-conductive element, the at least one elastic conductive element configured to exert elastic force onto the semi-conductive element along at least one radial direction toward the axis. | 07-03-2014 |
20140124263 | JOINT FOR HV CABLES INSULATED WITH IMPREGNATED PAPER OR PAPER-POLYPROPYLENE LAMINATE (PPL) - A method of jointing two high voltage impregnated cables may include exposing an impregnated cable insulation layer of cable ends by removing at least one protecting layer and an outer semiconducting layer; exposing a terminal length of conductors of the cable ends by cutting a portion of the impregnated cable insulation layer and by removing an inner semiconducting layer; mechanically and electrically connecting the conductors; filling at least in part a space left by the removed impregnated cable insulation layer with a conductive insert; providing an intermediate semiconducting layer to surround the conductive insert and abutting on portions of cable insulation layers adjacent to the conductive insert; applying a stratified insulation, impregnated with a second viscous compound, overlapping the exposed impregnated cable insulation layer of the cable ends and covering the intermediate semiconducting layer; electrically screening the conductors; and tightly containing the first and/or second viscous compounds. | 05-08-2014 |
20140124232 | ELECTRIC CABLES FOR SOLAR PLANTS GENERATING ELECTRICAL AND THERMAL ENERGY, AND PLANTS COMPRISING THE ELECTRICAL CABLES - A composite flat cable, having in cross-section a major side, may include an outer sheath; two main electrical conductors; and two ducts for fluid circulation configured to circulate fluid. A composite flat cable may include two ducts configured to circulate fluid; a first main electrical conductor on a first side of the two ducts; a second main electrical conductor on a second side of the two ducts; and a sheath around the two ducts, the first main electrical conductor, and second main electrical conductor. A solar cogeneration plant may include at least one cell configured to produce electric current, connected to a plant for distribution of electrical energy and of heated fluid by a composite flat cable. | 05-08-2014 |
20140000928 | SCREEN CONNECTORS FOR ELECTRICAL CABLES AND JOINTING ASSEMBLIES COMPRISING THE SCREEN CONNECTOR | 01-02-2014 |
20130341087 | JOINTING ASSEMBLIES FOR ELECTRICAL CABLES - A jointing assembly ( | 12-26-2013 |
20130333945 | PROCESS FOR MANUFACTURING A JOINTING ASSEMBLY FOR MEDIUM OR HIGH VOLTAGE ELECTRICAL CABLES AND JOINTING ASSEMBLY OBTAINABLE BY SAID PROCESS - A process for manufacturing a jointing assembly ( | 12-19-2013 |
20130284481 | ELECTRIC SECTOR CABLE - It is disclosed a high voltage electric cable having a longitudinal axis and comprising a conductive core having a first cross section area. The conductive core comprises a solid, central conductor. It further comprises at least three solid, sector conductors stranded around the central conductor. The central conductor has a second cross section area and the ratio between the second and first cross section areas is of from 1/130 to 1/20. | 10-31-2013 |
20130202261 | SUBMARINE OPTICAL COMMUNICATIONS CABLE AND PROCESS FOR THE MANUFACTURING THEREOF - It is disclosed a process for manufacturing a submarine optical communications cable. The process comprises the following steps: providing an optical core; providing a reinforcing structure consisting of at least one layer of wires onto the optical core, at least part of the wires being clad with a first metallic material; extruding an outer layer onto the structure, the outer layer being made of a second metallic material having a softening point substantially similar to the softening point of the first metallic material; and cooling the outer layer immediately after extrusion. | 08-08-2013 |
20130183013 | FIBER OPTIC OVERHEAD GROUND WIRE CABLE AND PROCESS FOR THE MANUFACTURING THEREOF - It is disclosed a process for manufacturing a fiber optic overhead ground wire cable. The process comprising the following steps: providing an optical core; providing a reinforcing structure consisting of at least one layer of wires onto the optical core, at least part of the wires being clad with a first metallic material; extruding an outer layer onto the reinforcing structure, the outer layer being made of a second metallic material having a softening point substantially similar to the softening point of the first metallic material; and cooling the outer layer immediately after extruding. | 07-18-2013 |
20130125924 | OPTICAL CABLE WITH IDENTIFIABLE OPTICAL FIBERS - An optical fiber includes an optically transmissive element; at least one curable colored layer surrounding the optically transmissive element; and an additional removable colored layer surrounding and homogeneously covering the curable colored layer. The presence of the additional removable colored layer improves identifiability of the fiber, especially when the latter is included in an optical cable together with other fibers. | 05-23-2013 |
20130092430 | SHIELDING OF HIGH VOLTAGE CABLES - A magnetically shielded cable arrangement, comprising at least two AC cables ( | 04-18-2013 |
20120322303 | BIASING CONNECTOR - A biasing connector ( | 12-20-2012 |
20120257864 | Optical Cable for Communication and Process for the Manufacturing Thereof - It is disclosed an optical cable for communications including at least one micromodule, the micromodule including a retaining element and number N of optical fibers housed in said retaining element. The diameter of a circumference encircling the number N of optical fibers is typically 90% to 95% of an inner diameter of the retaining element. The retaining element consists essentially of a film grade polymeric material having an elongation at break equal to or higher than 500%, a melt flow index (MFI) lower than 3 g/10 min, and a density lower than 1 g/cm | 10-11-2012 |
20120128310 | Optical Transition Box - The present invention embraces an optical transition box for housing the connection between a riser cable and a drop cable of an optical access network. The box has a base, which itself typically includes: a bottom for housing the excess lengths of the optical fibers of the riser cable and of the drop cable, a first sidewall and a splice-holder element for housing the splices between the optical fibers. Typically, the splice-holder element is fixed to the first sidewall and overhangs above the bottom. A distance not less than the diameter of an optical fiber is typically provided between the bottom and the splice-holder element. | 05-24-2012 |
20120024565 | SUBMARINE ELECTRIC POWER TRANSMISSION CABLE ARMOUR TRANSITION - An electric power transmission cable includes at least one first section provided with cable armour made of a first metallic material, and at least one second section provided with a cable armour made of a second metallic material, wherein the second metallic material has ferromagnetic properties substantially lower than those of the first metallic material. | 02-02-2012 |